linux-kernel - [PATCH 03/13] m32r: Define THREAD

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Message-Id: <1253629347-23119-4-git-send-email-tabbott@ksplice.com>
Date:	Tue, 22 Sep 2009 10:22:17 -0400
From:	Tim Abbott <tabbott@...lice.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>,
	Tim Abbott <tabbott@...lice.com>,
	Hirokazu Takata <takata@...ux-m32r.org>
Subject: [PATCH 03/13] m32r: Define THREAD_SIZE only once.

Previously, m32r's asm/thread_info.h defined THREAD_SIZE differently
for assembly and C code; now that PAGE_SIZE is usable from assembly,
these can be combined.  Also, m32r's asm/processor.h redefines
THREAD_SIZE to the same value; remove this redundant definition.

Signed-off-by: Tim Abbott <tabbott@...lice.com>
Cc: Hirokazu Takata <takata@...ux-m32r.org>
Acked-by: Sam Ravnborg <sam@...nborg.org>
---
 arch/m32r/include/asm/processor.h   |    2 --
 arch/m32r/include/asm/thread_info.h |    6 ++----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/m32r/include/asm/processor.h b/arch/m32r/include/asm/processor.h
index 1a997fc..8397c24 100644
--- a/arch/m32r/include/asm/processor.h
+++ b/arch/m32r/include/asm/processor.h
@@ -140,8 +140,6 @@ unsigned long get_wchan(struct task_struct *p);
 #define KSTK_EIP(tsk)  ((tsk)->thread.lr)
 #define KSTK_ESP(tsk)  ((tsk)->thread.sp)
 
-#define THREAD_SIZE (2*PAGE_SIZE)
-
 #define cpu_relax()	barrier()
 
 #endif /* _ASM_M32R_PROCESSOR_H */
diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h
index 7157815..4d66169 100644
--- a/arch/m32r/include/asm/thread_info.h
+++ b/arch/m32r/include/asm/thread_info.h
@@ -55,6 +55,8 @@ struct thread_info {
 
 #define PREEMPT_ACTIVE		0x10000000
 
+#define THREAD_SIZE (PAGE_SIZE << 1)
+
 /*
  * macros/functions for gaining access to the thread information structure
  */
@@ -76,8 +78,6 @@ struct thread_info {
 #define init_thread_info	(init_thread_union.thread_info)
 #define init_stack		(init_thread_union.stack)
 
-#define THREAD_SIZE (2*PAGE_SIZE)
-
 /* how to get the thread information struct from C */
 static inline struct thread_info *current_thread_info(void)
 {
@@ -127,8 +127,6 @@ static inline unsigned int get_thread_fault_code(void)
 
 #else /* !__ASSEMBLY__ */
 
-#define THREAD_SIZE	8192
-
 /* how to get the thread information struct from ASM */
 #define GET_THREAD_INFO(reg)	GET_THREAD_INFO reg
 	.macro GET_THREAD_INFO reg
-- 
1.6.3.3

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